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PI6C102-16BH

Spread Spectrum Clock Synthesizer for Mobile Pentium II

Pericom Semiconductor 

PI6C102-16

Spread Spectrum Clock Synthesizer

for Mobile Pentium II 111222333444555666777888999000111222333444555666777888999000111222333444555666777888999000111222111222333444555666777888999000111222333444555666777888999000111222333444555666777888999000111222111222333444555666777888999000111222333444555666777888999000111222333444555666777888999000111222111222333444555666777888999000111222333444555666777888999000111222333444555666777888999000111222111222333444555666777888999000111222

CPU_STOP# is an input signal used to turn off the CPU clocks for

low power operation. CPU_STOP# is asserted asynchronously by

the external clock control logic with the rising edge of free running

PCI clock and is internally synchronized to the external PCICLK_F

output. All other clocks continue to run while the CPU clocks are

disabled. The CPU clocks are always stopped in a LOW state and

started guaranteeing that the high pulse width is a full pulse. CPU

clock on latency is 2 or 3 CPU clocks and CPU clock off latency

is 2 or 3 CPU clocks.

The PWR_DWN# is used to place the device in a very low power

state. PWR_DWN# is an asynchronous active low input. Internal

clocks are stopped after the device is put in power-down mode. The

power-on latency is less than 3ms. PCI_STOP# and CPU_STOP#

are “don’t cares” during the power-down operations. The REF

clock is stopped in the LOW state as soon as possible.

Maximum Ratings

(Above which the useful life may be impaired. For user guidelines, not tested.)

Storage Temperature ............................................................ –65°C to +150°C

Ambient Temperature with Power Applied .............................. –0°C to +70°C

3.3V Supply Voltage to Ground Potential .............................. –0.5V to +4.6V

2.5V Supply Voltage to Ground Potential .............................. –0.5V to +3.6V

DC Input Voltage .................................................................... –0.5V to +4.6V

Note:

Stresses greater than those listed under MAXIMUM RATINGS may cause perma-

nent damage to the device. This is a stress rating only and functional operation

of the device at these or any other conditions above those indicated in the

operational sections of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect reliability.

DC Electrical Characteristics (VDD = +3.3V ±5%, VDD2 = +2.5V ± 5%, TA = 0°C to +70°C)

PI6C102-16

Condition

Max. 2.5V Supply Consumption

Max. discrete cap loads,

VDD2 = 2.625V

All static inputs = VDD or VSS

Max. 3.3V Supply Consumption

Max. discrete cap loads,

VDD = 3.465V

All static inputs = VDD or VSS

Powerdown Mode

(PWRDWN# =0)

100mA

500mA

Active 66MHz

SEL 100/66# = 0

72mA

170mA

Active 100MHz

SEL 100/66# = 1

100mA

170mA

5

P8399-1 06/11/99

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